use custom helper in controller cakephp 3

Question

I am using cakephp v3 and want to ask how to use custom helper in controller

I have tried below code.

namespace App\Controller;

use Cake\Core\Configure;
use Cake\Network\Exception\NotFoundException;
use Cake\View\Exception\MissingTemplateException;
use App\Controller\AppController;
use Cake\Event\Event;
use Cake\Network\Request;
use Cake\ORM\TableRegistry;
use Cake\Auth\DefaultPasswordHasher;
use Cake\View\View;
use Cake\View\Helper\HtmlHelper;
use Cake\View\Helper\UrlHelper;
use Cake\View\Helper;
use App\View\Helper\SecurityHelper;

/**
 * Static content controller
 *
 * This controller will render views from Template/Pages/
 *
 * @link http://book.cakephp.org/3.0/en/controllers/pages-controller.html
 */
class PagesController extends AppController {
 function beforeFilter(Event $event) {
        parent::beforeFilter($event);

        $this->viewBuilder()->helpers(['Security']);
}

 public function receiveSaving() {
        pr(($this->request->params['id'])); //die;
        pr($this->Security->decrypt('7JCdO3vIqAU_EQUALS_')); die;
        $this->viewBuilder()->layout('front');
        $this->set('title', '');
        $this->set('meta_title', '');
        $this->set('meta_description', '');
        $this->set('meta_keywords', '');
        //$this->render('savings_bond_result');
    }

and getting below error.

Error: Call to a member function decrypt() on boolean File D:\xampp\htdocs\myproject\src\Controller\PagesController.php Line: 204

I tried with some other methods like

$Security = new SecurityHelper(new \Cake\View\View());
pr($Security->decrypt('7JCdO3vIqAU_EQUALS_')); die;

Error: Class 'App\Controller\SecurityHelper' not found File D:\xampp\htdocs\myproject\src\Controller\PagesController.php Line: 204

Helpers are for views, you do not use them anywhere else! — ndm
– ndm, Commented Dec 2, 2016 at 11:21
The answer is don't! Helpers are for views only as @ndm stated. As it's a custom helper you probably want to look at re-writing your code so that the method is available from within your controller as well as the helper. — drmonkeyninja
– drmonkeyninja, Commented Dec 2, 2016 at 12:25
If you only need your custom functionality in your controllers and not in your views, then a component would be the way to go. — Greg Schmidt
– Greg Schmidt, Commented Dec 3, 2016 at 0:18

Kshitij Soni · Accepted Answer · 2020-10-21 13:27:42Z

1

$customdtfhelper = new \App\View\Helper\CustomDtfHelper(new \Cake\View\View());
$customdtfhelper->method_name();

answered Oct 21, 2020 at 13:27

Kshitij Soni

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